I still buy this book when I see it somewhere and give it to my students - Yes its rather dated, but full of good advice and now becoming trendy again, as the real paper thing is re-discovered as the easiest way of getting kind of distinction and recognizability into your sketching. When I show my set of LIETZ templates, the Porsche Curve or a glass-felt MagicMarker I still can hear murmur in the class...